CN216741403U - Coiled tubing pours into auxiliary device into - Google Patents
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- CN216741403U CN216741403U CN202122830244.0U CN202122830244U CN216741403U CN 216741403 U CN216741403 U CN 216741403U CN 202122830244 U CN202122830244 U CN 202122830244U CN 216741403 U CN216741403 U CN 216741403U
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Abstract
The utility model discloses a coiled tubing injection auxiliary device, which relates to the technical field of coiled tubing injection equipment and comprises a base and a limiting mechanism, wherein the base is a U-shaped frame, a rotating rod is erected between side plates on two sides of the base, a U-shaped rotating plate is rotatably sleeved on the rotating rod, a plurality of limiting holes are formed in the edge position of the bottom of the U-shaped rotating plate at equal intervals, fixing holes corresponding to the limiting holes are formed in the side plates on two sides of the base, and the limiting rods are inserted in the fixing holes and the limiting holes; the limiting mechanism comprises a lower arc-shaped plate fixedly arranged on the upper end surface of the U-shaped rotating plate, an upper arc-shaped plate is detachably arranged on the lower arc-shaped plate, and the lower arc-shaped plate and the upper arc-shaped plate are spliced to form a cylindrical limiting pipe; this device simple structure, installation are convenient, go up the arc and can effectively play limiting displacement to coiled tubing with lower arc, prevent the excessive swing of coiled tubing, have guaranteed the stability when coiled tubing injects.
Description
Technical Field
The utility model relates to the technical field of coiled tubing injection equipment, in particular to a coiled tubing injection auxiliary device.
Background
The coiled tubing is a tubing made of low-carbon alloy steel and has good flexibility, and is also called as flexible tubing, and a roll of coiled tubing is several kilometers long;
the coiled tubing on the current oil field adopts a coiled tubing injection head to go in and out of a wellhead for operation, during the injection operation, the coiled tubing is pulled to a gooseneck pipe of the injection head through a crane, then the coiled tubing is pushed into a clamping groove of a clamping block of the injection head from the top of the injection head, the clamping block of the injection head clamps the coiled tubing positioned in the clamping groove of the clamping block, and then the injection head is connected with the operation wellhead to carry out the injection operation of the coiled tubing;
the coiled tubing is conveyed to the site by a professional operation vehicle for injection, but in the injection process, the coiled tubing is pulled out from the roller (the roller is arranged on the coiled tubing operation vehicle), in the pulling-out process, the coiled tubing close to one end of the roller is easy to swing in the injection process, and when the swing amplitude is large, the coiled tubing which is not pulled out from the roller is easy to loose, so that the coiled tubing injection operation is not facilitated.
Chinese patent CN103114819B discloses an auxiliary injection device of a coiled tubing machine, which has a frame, two mounting shafts are arranged on two sides in the frame, a driving sprocket and a transmission gear are arranged on the two mounting shafts on one side of the frame, a tension sprocket is arranged on the two mounting shafts on the other side of the frame, two chains are wound around the driving sprocket and the tension sprocket and form two closed loops to form an upper injection body and a lower injection body, the upper injection body and the lower injection body form a coiled tubing transportation channel by using the horizontal central line of the frame as the axis, and the inlet and outlet of the coiled tubing transportation channel are provided with positioning guides which are fixed on the frame; the device solves the problem that the coiled tubing cannot be conveyed to a deep well due to the limited conveying capacity of the injection guide system, but still does not solve the problem of swinging of the coiled tubing close to one end of the roller.
Chinese patent CN204140004U discloses coiled tubing operation equipment, which comprises a main tractor loaded with an injection head and a control room; the main truck is characterized in that a hydraulic system and a folding derrick are further loaded on the main truck; the folding derrick can drive the injection head to be lifted to a preset position under the driving of the hydraulic system; the control room can adjust the angle and position of the injection head relative to the folding derrick; the pipe arranger in the equipment can not set the angle, and the oil pipe still can rock when passing through the pipe arranger.
Therefore, it is urgently required to develop an auxiliary device for preventing the coiled tubing from excessively swinging.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a coiled tubing injection auxiliary device aiming at the defects in the prior art.
The technical scheme of the utility model is as follows: a coiled tubing injection auxiliary device comprises a base and a limiting mechanism, wherein the base is a U-shaped frame, a rotating rod is arranged between side plates on two sides of the base in an erecting mode, a U-shaped rotating plate is rotatably sleeved on the rotating rod in a sleeving mode, a plurality of limiting holes are formed in the edge position of the bottom of the U-shaped rotating plate at equal intervals, fixing holes corresponding to the limiting holes are formed in the side plates on two sides of the base, and limiting rods are inserted in the fixing holes and the limiting holes;
stop gear includes the lower arc of fixed mounting at the U-shaped commentaries on classics board up end, demountable installation has last arc down on the arc, lower arc and last arc splice and constitute the spacing pipe of cylinder.
Preferably, the limiting mechanism further comprises an arc-shaped elastic plate, a connecting plate, vertical rods, a spring and a supporting pulley, the arc-shaped elastic plate is located on the inner side of the upper arc-shaped plate, the connecting plate is located on the outer side of the upper arc-shaped plate, a plurality of through holes are formed in the top of the upper arc-shaped plate along the axial direction, the vertical rods are respectively arranged in the through holes in a sliding mode, one end of each vertical rod is fixedly connected with the top of the arc-shaped elastic plate, and the other end of each vertical rod is fixedly connected with the connecting plate; the springs are respectively sleeved on the vertical rods, and two ends of each spring are respectively supported on the arc-shaped elastic plate and the upper arc-shaped plate;
and a plurality of axially arranged supporting pulleys are arranged at the bottom of the inner wall of the lower arc-shaped plate.
Preferably, a row of axial limiting bull's eye wheels is respectively arranged on two sides of the inner wall of the arc-shaped elastic plate.
Preferably, the bottom of the inner wall of the lower arc-shaped plate is axially provided with a mounting groove, a plurality of support pulleys are inserted in the mounting groove, and the middle parts of the support pulleys are provided with arc-shaped annular grooves.
Preferably, the limiting rod is a screw rod, and a fastening nut is arranged at the end part of the screw rod.
Preferably, the slots are formed in the end faces of the two sides of the lower arc plate, the insertion strips matched with the slots are arranged on the end faces of the two sides of the upper arc plate, and the upper arc plate is inserted into the slots in the two sides of the lower arc plate through the insertion strips on the two sides.
Preferably, the slot is a T-shaped slot, and correspondingly, the inserting strip is a T-shaped inserting strip; the end of the slot is provided with a connecting plate, the end of the inserting strip is provided with a connecting sleeve, and the connecting plate is connected with the connecting sleeve through a bolt.
Preferably, the middle part of the rotating rod is provided with two side-by-side annular limiting plates, and the distance between the two annular limiting plates is slightly larger than the thickness of the U-shaped rotating plate; the U-shaped rotating plate is rotatably sleeved on the rotating rod between the two annular limiting plates through the rotating drum.
Compared with the prior art, the utility model has the following advantages:
(1) the device is simple in structure and convenient and fast to install, the upper arc-shaped plate and the lower arc-shaped plate can effectively limit the coiled tubing, the coiled tubing is prevented from excessively swinging, and the stability of the coiled tubing during injection is guaranteed;
(2) the device can adjust the angle of the lower arc-shaped plate through the U-shaped rotating plate according to the angle of the continuous oil pipe, and is beneficial to the subsequent injection operation of the continuous oil pipe;
(3) in the process of passing through the coiled tubing, the arc-shaped elastic plate can be stably pressed on the coiled tubing under the action of the spring, and the swinging of the coiled tubing is further slowed down.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic structural view of a lower arcuate plate;
FIG. 4 is a schematic structural view of an upper arcuate plate;
FIG. 5 is a front view of the spacing mechanism;
fig. 6 is a partially enlarged view of a portion a in fig. 5.
In the figure: 1. the base, 2, the bull stick, 201, annular limiting plate, 3, U-shaped commentaries on classics board, 301, spacing hole, 4, gag lever post, 5, fastening nut, 6, lower arc, 601, slot, 602, connecting plate, 7, go up the arc, 701, through-hole, 702, cutting, 703, adapter sleeve, 8, rotary drum, 9, the montant, 10, even board, 11, spring, 12, arc elastic plate, 13, spacing bull's eye wheel, 14, supporting pulley.
Detailed Description
The utility model is further illustrated below with reference to the figures and examples.
Example one
Referring to fig. 1-2, a coiled tubing pours into auxiliary device into, including base 1 and stop gear, base 1 is the U-shaped frame, erect bull stick 2 between the curb plate of base 1 both sides, it has U-shaped commentaries on classics board 3 to rotate the cover on the bull stick 2, 3 bottom border positions of U-shaped commentaries on classics board are equidistant to be provided with a plurality of spacing holes 301, be equipped with the fixed orifices that corresponds spacing hole 301 on the curb plate of base 1 both sides, peg 4 is inserted in fixed orifices and spacing hole 301 and is equipped with gag lever post 4, the gag lever post 4 of this embodiment is the screw rod, the screw rod tip is equipped with fastening nut 5.
The limiting mechanism comprises a lower arc-shaped plate 6 fixedly installed on the upper end face of the U-shaped rotating plate 3, an upper arc-shaped plate 7 is detachably installed on the lower arc-shaped plate 6, and the lower arc-shaped plate 6 and the upper arc-shaped plate 7 are spliced to form a cylindrical limiting pipe.
Referring to fig. 3-4, the limiting mechanism further comprises an arc-shaped elastic plate 12, a connecting plate 10, a vertical rod 9, a spring 11 and a supporting pulley 14, the arc-shaped elastic plate 12 is located on the inner side of the upper arc-shaped plate 7, the connecting plate 10 is located on the outer side of the upper arc-shaped plate 7, a plurality of through holes 701 are axially formed in the top of the upper arc-shaped plate 7, the vertical rods 9 are respectively slidably arranged in the through holes 701, one end of each vertical rod 9 is fixedly connected with the top of the arc-shaped elastic plate 12, and the other end of each vertical rod 9 is fixedly connected with the connecting plate 10; a plurality of springs 11 are respectively sleeved on the plurality of vertical rods 9, and two ends of each spring 11 are respectively supported on the arc-shaped elastic plate 12 and the upper arc-shaped plate 7;
the bottom of the inner wall of the lower arc-shaped plate 6 is provided with a plurality of axially arranged supporting pulleys 14.
When in use, the base 1 is arranged on a frame of a coiled tubing operation vehicle or a roller frame of a coiled tubing; after the coiled tubing injection operation is completed in the early stage, according to the angle of the coiled tubing, the lower arc-shaped plate 6 is rotated by the U-shaped rotating plate 3, the screw is inserted, and the fastening nut 5 is fastened for limiting, then the upper arc-shaped plate 7 is installed on the lower arc-shaped plate 6, and the coiled tubing is clamped between the supporting pulley 14 and the arc-shaped elastic plate 12 by means of the elasticity of the spring 11; the injection operation can be carried out after the installation of the coiled tubing is finished, and in the injection operation process, the coiled tubing cannot swing greatly due to the limit of the upper arc-shaped plate 7 and the lower arc-shaped plate 6, so that the stability of the coiled tubing during injection is ensured.
The device has a simple structure, is convenient to install, can effectively limit the coiled tubing, and prevents the coiled tubing from excessively swinging; the device can adjust the angle of the lower arc-shaped plate 6 through the U-shaped rotating plate 3 according to the angle of the continuous oil pipe, and is beneficial to the subsequent injection operation of the continuous oil pipe; in the process of passing through the coiled tubing, the arc-shaped elastic plate 12 can be stably pressed on the coiled tubing under the action of the spring 11, and the swinging of the coiled tubing is further slowed down.
Example two
Referring to fig. 1-2, a coiled tubing pours into auxiliary device into, including base 1 and stop gear, base 1 is the U-shaped frame, erect bull stick 2 between the curb plate of base 1 both sides, it has U-shaped commentaries on classics board 3 to rotate the cover on the bull stick 2, 3 bottom border positions of U-shaped commentaries on classics board are equidistant to be provided with a plurality of spacing holes 301, be equipped with the fixed orifices that corresponds spacing hole 301 on the curb plate of base 1 both sides, peg 4 is inserted in fixed orifices and spacing hole 301 and is equipped with gag lever post 4, the gag lever post 4 of this embodiment is the screw rod, the screw rod tip is equipped with fastening nut 5.
The limiting mechanism comprises a lower arc-shaped plate 6 fixedly installed on the upper end face of the U-shaped rotating plate 3, an upper arc-shaped plate 7 is detachably installed on the lower arc-shaped plate 6, and the lower arc-shaped plate 6 and the upper arc-shaped plate 7 are spliced to form a cylindrical limiting pipe.
Referring to fig. 3-4, the limiting mechanism further comprises an arc-shaped elastic plate 12, a connecting plate 10, a vertical rod 9, a spring 11 and a supporting pulley 14, the arc-shaped elastic plate 12 is located on the inner side of the upper arc-shaped plate 7, the connecting plate 10 is located on the outer side of the upper arc-shaped plate 7, a plurality of through holes 701 are axially formed in the top of the upper arc-shaped plate 7, the vertical rods 9 are respectively slidably arranged in the through holes 701, one end of each vertical rod 9 is fixedly connected with the top of the arc-shaped elastic plate 12, and the other end of each vertical rod 9 is fixedly connected with the connecting plate 10; a plurality of springs 11 are respectively sleeved on the plurality of vertical rods 9, and two ends of each spring 11 are respectively supported on the arc-shaped elastic plate 12 and the upper arc-shaped plate 7;
the bottom of the inner wall of the lower arc-shaped plate 6 is provided with a plurality of axially arranged supporting pulleys 14.
In addition, this embodiment has add spacing bull's eye wheel 13 on the inner wall of arc elastic plate 12 on the basis of embodiment one, specifically do:
referring to fig. 5, in the present embodiment, a row of axial limiting bull's eye wheels 13 is respectively disposed on two sides of the inner wall of the arc-shaped elastic plate 12.
In the injection operation process, the two rows of limiting bull-eye wheels 13 can effectively reduce the friction force between the arc-shaped elastic plate 12 and the coiled tubing and reduce the abrasion to the coiled tubing.
EXAMPLE III
Referring to fig. 1-2, a coiled tubing pours into auxiliary device into, including base 1 and stop gear, base 1 is the U-shaped frame, erect bull stick 2 between the curb plate of base 1 both sides, it has U-shaped commentaries on classics board 3 to rotate the cover on the bull stick 2, 3 bottom border positions of U-shaped commentaries on classics board are equidistant to be provided with a plurality of spacing holes 301, be equipped with the fixed orifices that corresponds spacing hole 301 on the curb plate of base 1 both sides, peg 4 is inserted in fixed orifices and spacing hole 301 and is equipped with gag lever post 4, the gag lever post 4 of this embodiment is the screw rod, the screw rod tip is equipped with fastening nut 5.
The limiting mechanism comprises a lower arc-shaped plate 6 fixedly installed on the upper end face of the U-shaped rotating plate 3, an upper arc-shaped plate 7 is detachably installed on the lower arc-shaped plate 6, and the lower arc-shaped plate 6 and the upper arc-shaped plate 7 are spliced to form a cylindrical limiting pipe.
Referring to fig. 3-4, the limiting mechanism further comprises an arc-shaped elastic plate 12, a connecting plate 10, a vertical rod 9, a spring 11 and a supporting pulley 14, the arc-shaped elastic plate 12 is located on the inner side of the upper arc-shaped plate 7, the connecting plate 10 is located on the outer side of the upper arc-shaped plate 7, a plurality of through holes 701 are axially formed in the top of the upper arc-shaped plate 7, the vertical rods 9 are respectively slidably arranged in the through holes 701, one end of each vertical rod 9 is fixedly connected with the top of the arc-shaped elastic plate 12, and the other end of each vertical rod 9 is fixedly connected with the connecting plate 10; a plurality of springs 11 are respectively sleeved on the plurality of vertical rods 9, and two ends of each spring 11 are respectively supported on the arc-shaped elastic plate 12 and the upper arc-shaped plate 7; referring to fig. 5, a row of axial limiting bull's eye wheels 13 are respectively arranged on two sides of the inner wall of the arc-shaped elastic plate 12.
The difference between this embodiment and the second embodiment lies in the installation manner of the supporting pulley 14 on the lower arc-shaped plate 6, which specifically is as follows:
referring to fig. 3 and 5, the bottom of the inner wall of the lower arc-shaped plate 6 is provided with an installation groove along the axial direction, and a plurality of supporting pulleys 14 are inserted into the installation groove, so that the supporting pulleys 14 can be conveniently disassembled and assembled by the installation method; in addition, the middle part of the supporting pulley 14 is provided with an arc-shaped annular groove, the arc-shaped annular groove is more attached to the outer wall of the oil pipe, and the supporting and conveying effect of the supporting pulley 14 on the continuous oil pipe is further improved.
Example four
Referring to fig. 1-2, a coiled tubing pours into auxiliary device into, including base 1 and stop gear, base 1 is the U-shaped frame, erect bull stick 2 between the curb plate of base 1 both sides, it has U-shaped commentaries on classics board 3 to rotate the cover on the bull stick 2, 3 bottom border positions of U-shaped commentaries on classics board are equidistant to be provided with a plurality of spacing holes 301, be equipped with the fixed orifices that corresponds spacing hole 301 on the curb plate of base 1 both sides, peg 4 is inserted in fixed orifices and spacing hole 301 and is equipped with gag lever post 4, the gag lever post 4 of this embodiment is the screw rod, the screw rod tip is equipped with fastening nut 5.
The limiting mechanism comprises a lower arc-shaped plate 6 fixedly installed on the upper end face of the U-shaped rotating plate 3, an upper arc-shaped plate 7 is detachably installed on the lower arc-shaped plate 6, and the lower arc-shaped plate 6 and the upper arc-shaped plate 7 are spliced to form a cylindrical limiting pipe.
Referring to fig. 3-4, the limiting mechanism further comprises an arc-shaped elastic plate 12, a connecting plate 10, a vertical rod 9, a spring 11 and a supporting pulley 14, the arc-shaped elastic plate 12 is located on the inner side of the upper arc-shaped plate 7, the connecting plate 10 is located on the outer side of the upper arc-shaped plate 7, a plurality of through holes 701 are axially formed in the top of the upper arc-shaped plate 7, the vertical rods 9 are respectively slidably arranged in the through holes 701, one end of each vertical rod 9 is fixedly connected with the top of the arc-shaped elastic plate 12, and the other end of each vertical rod 9 is fixedly connected with the connecting plate 10; a plurality of springs 11 are respectively sleeved on the plurality of vertical rods 9, and two ends of each spring 11 are respectively supported on the arc-shaped elastic plate 12 and the upper arc-shaped plate 7; referring to fig. 5, a row of axial limiting bull's eye wheels 13 are respectively arranged on two sides of the inner wall of the arc-shaped elastic plate 12.
Referring to fig. 3 and 5, the bottom of the inner wall of the lower arc-shaped plate 6 is axially provided with a mounting groove, a plurality of supporting pulleys 14 are inserted in the mounting groove, and the middle of each supporting pulley 14 is provided with an arc-shaped annular groove.
In addition, in this embodiment, the connection mode between the upper arc-shaped plate 7 and the lower arc-shaped plate 6 is optimized on the basis of the third embodiment, specifically:
referring to fig. 3-6, the lower arc-shaped plate 6 has slots 601 formed on both side surfaces thereof, the upper arc-shaped plate 7 has insertion strips 702 adapted to the slots 601 disposed on both side surfaces thereof, and the upper arc-shaped plate 7 is inserted into the slots 601 on both sides of the lower arc-shaped plate 6 through the insertion strips 702 on both sides thereof. The slot 601 of the embodiment is a T-shaped slot, and correspondingly, the insert 702 is a T-shaped insert 702; the end of the slot 601 is provided with a connecting plate 602, the end of the insert 702 is provided with a connecting sleeve 703, and the connecting plate 602 and the connecting sleeve 703 are connected through a bolt.
During the equipment, insert lower arc 6 with last arc 7, then twist connecting bolt in connecting sleeve 703 and connecting plate 602, accomplish the equipment of going up arc 7 and lower arc 6 fixed, adopt this mode easy dismounting swift, be favorable to promoting work efficiency.
EXAMPLE five
As a preferred embodiment of the present invention, in this embodiment, on the basis of the third embodiment, an annular limiting plate 201 is additionally provided on the rotating rod 2, specifically:
referring to fig. 2-3, two annular limiting plates 201 are arranged in parallel in the middle of the rotating rod 2, and the distance between the two annular limiting plates is slightly larger than the thickness of the U-shaped rotating plate 3; the U-shaped rotating plate 3 is rotatably sleeved on the rotating rod 2 between the two annular limiting plates 201 through a rotating cylinder 8; the annular limiting plate 201 additionally arranged plays a centering and limiting role in the U-shaped rotating plate 3, the U-shaped rotating plate 3 is prevented from moving left and right, and the running stability of the device is further improved.
The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention, and the contents of the changes still fall within the scope of the present invention.
Claims (8)
1. The utility model provides a coiled tubing pours into auxiliary device into, includes base and stop gear, the base is the U-shaped frame, its characterized in that: a rotating rod is erected between the side plates on the two sides of the base, a U-shaped rotating plate is rotatably sleeved on the rotating rod, a plurality of limiting holes are formed in the edge position of the bottom of the U-shaped rotating plate at equal intervals, fixing holes corresponding to the limiting holes are formed in the side plates on the two sides of the base, and limiting rods are inserted in the fixing holes and the limiting holes;
stop gear includes the lower arc of fixed mounting at the U-shaped commentaries on classics board up end, demountable installation has last arc down on the arc, lower arc and last arc splice and constitute the spacing pipe of cylinder.
2. The coiled tubing injection aid of claim 1, wherein: the limiting mechanism further comprises an arc-shaped elastic plate, a connecting plate, vertical rods, a spring and a supporting pulley, the arc-shaped elastic plate is located on the inner side of the upper arc-shaped plate, the connecting plate is located on the outer side of the upper arc-shaped plate, a plurality of through holes are formed in the top of the upper arc-shaped plate in the axial direction, the vertical rods are respectively arranged in the through holes in a sliding mode, one end of each vertical rod is fixedly connected with the top of the arc-shaped elastic plate, and the other end of each vertical rod is fixedly connected with the connecting plate; the springs are respectively sleeved on the vertical rods, and two ends of each spring are respectively supported on the arc elastic plate and the upper arc plate;
and a plurality of axially arranged supporting pulleys are arranged at the bottom of the inner wall of the lower arc-shaped plate.
3. The coiled tubing injection aid of claim 2, wherein: two sides of the inner wall of the arc-shaped elastic plate are respectively provided with a row of axial limiting bull-eye wheels.
4. The coiled tubing injection aid of claim 2, wherein: the bottom of the inner wall of the lower arc plate is axially provided with a mounting groove, a plurality of supporting pulleys are inserted in the mounting groove, and the middle parts of the supporting pulleys are provided with arc-shaped annular grooves.
5. The coiled tubing injection aid of claim 1, wherein: the limiting rod is a screw rod, and a fastening nut is arranged at the end part of the screw rod.
6. The coiled tubing injection aid of claim 1, wherein: the lower arc-shaped plate is provided with slots on both side end faces, the upper arc-shaped plate is provided with inserting strips matched with the slots on both side end faces, and the upper arc-shaped plate is inserted into the slots on both sides of the lower arc-shaped plate through the inserting strips on both sides.
7. The coiled tubing injection aid of claim 6, wherein: the slots are T-shaped slots, and correspondingly, the inserting strips are T-shaped inserting strips; the end of the slot is provided with a connecting plate, the end of the inserting strip is provided with a connecting sleeve, and the connecting plate is connected with the connecting sleeve through a bolt.
8. The coiled tubing injection aid of claim 1, wherein: the middle part of the rotating rod is provided with two side-by-side annular limiting plates, and the distance between the two annular limiting plates is slightly larger than the thickness of the U-shaped rotating plate; the U-shaped rotating plate is rotatably sleeved on the rotating rod between the two annular limiting plates through the rotating drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122830244.0U CN216741403U (en) | 2021-11-18 | 2021-11-18 | Coiled tubing pours into auxiliary device into |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122830244.0U CN216741403U (en) | 2021-11-18 | 2021-11-18 | Coiled tubing pours into auxiliary device into |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216741403U true CN216741403U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122830244.0U Active CN216741403U (en) | 2021-11-18 | 2021-11-18 | Coiled tubing pours into auxiliary device into |
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| Country | Link |
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| CN (1) | CN216741403U (en) |
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2021
- 2021-11-18 CN CN202122830244.0U patent/CN216741403U/en active Active
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